" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
więc
P= 2*a*b+2*a*c+2*b*c lub 2*a*b+4*a*c= 2*1cm*1cm+4*1cm*9cm=2cm+36cm=38cm kwadratowych